- Precise Alignment : Easily mount the bicycle handlebar seat positioner in the center of the handlebars. When the light aligns with the center of the tire, you achieve the perfect setup for optimal riding performance. - USB-C Rechargeable : Charge this bike handlebar seat calibrator conveniently through a USB Type-C port. Stay prepared for quick and easy bike adjustments without the hassle of disposable batteries. - Versatile Use : Designed for multi-purpose adjustments, this bike calibrator is your ideal assistant for aligning handlebars, seats, and more, ensuring your bicycle is set for peak performance. - Durable Construction : Built to withstand the rigors of regular use, this seat calibration tool provides a reliable solution for maintaining your bike's alignment over time. Use Scenarios : 1. Perfect your bike setup before a big ride to enhance your comfort and efficiency. 2. Adjust your child's bike seat and handlebars for optimal safety and performance as they grow. 3. Fine-tune your mountain bike or road bike setup to ensure impeccable handling and stability on varied terrain.